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feat(lang): L7 memory is safe unless it says unsafe

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The typed buffers are slices: words/floats/fixeds/doubles/pointers(n) make
zeroed, bounds-checked []int/[]float/... and the type names mean them. buffer(n)
is a []byte, with text_of, Fs.read_bytes/write_bytes and view(xs, start, n).
bytes(), indexing a raw pointer or bytes, free, resize, Memory.*, raw file calls,
data_of and C externs are refused outside unsafe { } / unsafe function, and a
project's own files may write unsafe only with --unsafe; the runtime and packages
are the platform. A slice passed to an extern goes as its data.

What the change found: Sync's atomics on a slice header, words(n) uninitialised,
input's fixed axes in ints, truetype's fixed outlines as ints, skin matrices
typed int, gl_shader's source table made from raw bytes. render3d gets safe
entry points (safe_api.ludic). Rendering is byte-identical; a frame costs the same.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-24 12:53:27 +03:00
parent 9259808f80
commit b0b0b62bce
70 changed files with 69189 additions and 64569 deletions
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8
examples/rendering/vk_compute.ludic
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@ -22,15 +22,15 @@ program VkCompute {
var dev: pointer = null
function fail(what: string, r: int) -> void { print(`vulkan: {what} failed, VkResult {r}`); quit() }
function handle(out: bytes) -> long { return vk_get_i64(out, 0) }
function has_ext(props: bytes, n: int, want: string) -> bool {
unsafe function fail(what: string, r: int) -> void { print(`vulkan: {what} failed, VkResult {r}`); quit() }
unsafe function handle(out: bytes) -> long { return vk_get_i64(out, 0) }
unsafe function has_ext(props: bytes, n: int, want: string) -> bool {
for i in 0 .. n {
if string(vk_at(props, i * VkExtensionProperties_sizeof + VkExtensionProperties_extensionName)) == want { return true }
}
return false
}
function read_all(path: string) -> bytes {
unsafe function read_all(path: string) -> bytes {
let f = file_open(path, "rb")
if f == null { return null }
file_seek(f, 0, 2)